2027740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 5009760

約数和(自身を除く): 2982020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 709, 715, 1418, 1430, 2836, 2860, 3545, 7090, 7799, 9217, 14180, 15598, 18434, 31196, 36868, 38995, 46085, 77990, 92170, 101387, 155980, 184340, 202774, 405548, 506935, 1013870, 2027740]

約数ペア:

[(1, 2027740), (2, 1013870), (4, 506935), (5, 405548), (10, 202774), (11, 184340), (13, 155980), (20, 101387), (22, 92170), (26, 77990), (44, 46085), (52, 38995), (55, 36868), (65, 31196), (110, 18434), (130, 15598), (143, 14180), (220, 9217), (260, 7799), (286, 7090), (572, 3545), (709, 2860), (715, 2836), (1418, 1430)]